OpenTechnical

OT-2026-000073607

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000073607) never changes.

Identity and time

Publication numberOT-2026-000073607 · never reused
Internal UUID01a0ae92-efb9-74d0-b758-50c72d568664 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073607
StatusPUBLIC

Content hashes

Canonical textcd2d5c453654c67916fcd302d46769ce8d0a2d03839cfffe060644a815d3b051
Markdownefbc9e9dfcbb542bbf9763775ada913d152bed308235df778d4bd861e3619252
PDF
Publication pagebc89882743ccfb055552fbd9618b752ebe406c70c4269025097530e9b815bd8a
Manifest4994c9ba98df25fa17b0bdcb3c518f175aec764cd9fb440eb1001f35d83b14dd

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature41QotBtBEEN81h5RBcz2TVvN8bUMwlJKL1BJSELR40yuMous40+2KcXVYMUUG7yUssldr0E99iBXuZEJYG6PCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:47.519527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073607
observed bc89882743ccfb055552fbd9618b752e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:47.503086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073607/manifest.json
observed 4994c9ba98df25fa17b0bdcb3c518f17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:47.484669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073607/publication.md
observed efbc9e9dfcbb542bbf9763775ada913d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:47.464421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073607/publication.txt
observed cd2d5c453654c67916fcd302d46769ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.